The rear contains the two IR recivers needed to control the vehicle. Their placing creates problems in terms of being able to control the vehicle (or not being able to control the vehicle) and i would change this if i were to build it again...

One of the side panels Folds up to give access to the Battery pack (you can also see two of the four motors).

A Shot with the crane arm folded away, out the back, meaning it can function as a kind of tow vehicle.

And with the arm up.

The main switch is directly linked to the battery pack through the bodywork.

And through the magic of photoshop, ican show the wheel arrangements like this.

The two "extra" functions - Remote Lights and Winch control - Are controlled with m-motors, through worm gears, which can be seen at the bottom of this image, with the two XL drive motors at the top.